./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-81.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2b07b7903cb9834718dcbd3dbb565f62432b2101fe170e5e45b3142d9f35cf0c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 13:11:15,819 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 13:11:15,860 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 13:11:15,863 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 13:11:15,864 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 13:11:15,887 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 13:11:15,887 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 13:11:15,888 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 13:11:15,888 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 13:11:15,888 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 13:11:15,889 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 13:11:15,910 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 13:11:15,911 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 13:11:15,913 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 13:11:15,913 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 13:11:15,913 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 13:11:15,914 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 13:11:15,914 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 13:11:15,914 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 13:11:15,914 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 13:11:15,914 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 13:11:15,915 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 13:11:15,915 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 13:11:15,915 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 13:11:15,915 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 13:11:15,915 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 13:11:15,916 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 13:11:15,916 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 13:11:15,916 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 13:11:15,916 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 13:11:15,916 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 13:11:15,916 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 13:11:15,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 13:11:15,917 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 13:11:15,917 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 13:11:15,917 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 13:11:15,917 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 13:11:15,917 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 13:11:15,917 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 13:11:15,917 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 13:11:15,917 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 13:11:15,919 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 13:11:15,919 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b07b7903cb9834718dcbd3dbb565f62432b2101fe170e5e45b3142d9f35cf0c [2024-11-22 13:11:16,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 13:11:16,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 13:11:16,150 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 13:11:16,150 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 13:11:16,151 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 13:11:16,152 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-81.i [2024-11-22 13:11:17,417 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 13:11:17,591 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 13:11:17,592 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-81.i [2024-11-22 13:11:17,599 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf3db48bd/7dcb4d5eea9f401eb817779795d16b7c/FLAG1f06b219c [2024-11-22 13:11:17,610 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf3db48bd/7dcb4d5eea9f401eb817779795d16b7c [2024-11-22 13:11:17,612 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 13:11:17,614 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 13:11:17,614 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 13:11:17,615 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 13:11:17,619 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 13:11:17,619 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:11:17" (1/1) ... [2024-11-22 13:11:17,620 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73101904 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:17, skipping insertion in model container [2024-11-22 13:11:17,620 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:11:17" (1/1) ... [2024-11-22 13:11:17,644 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 13:11:17,785 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-81.i[916,929] [2024-11-22 13:11:17,854 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 13:11:17,862 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 13:11:17,870 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-81.i[916,929] [2024-11-22 13:11:17,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 13:11:17,937 INFO L204 MainTranslator]: Completed translation [2024-11-22 13:11:17,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:17 WrapperNode [2024-11-22 13:11:17,940 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 13:11:17,941 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 13:11:17,942 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 13:11:17,942 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 13:11:17,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:17" (1/1) ... [2024-11-22 13:11:17,959 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:17" (1/1) ... [2024-11-22 13:11:17,988 INFO L138 Inliner]: procedures = 30, calls = 172, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 548 [2024-11-22 13:11:17,989 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 13:11:17,990 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 13:11:17,990 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 13:11:17,990 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 13:11:17,998 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:17" (1/1) ... [2024-11-22 13:11:17,998 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:17" (1/1) ... [2024-11-22 13:11:18,006 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:17" (1/1) ... [2024-11-22 13:11:18,011 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-22 13:11:18,012 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:17" (1/1) ... [2024-11-22 13:11:18,012 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:17" (1/1) ... [2024-11-22 13:11:18,032 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:17" (1/1) ... [2024-11-22 13:11:18,036 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:17" (1/1) ... [2024-11-22 13:11:18,039 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:17" (1/1) ... [2024-11-22 13:11:18,043 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:17" (1/1) ... [2024-11-22 13:11:18,048 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 13:11:18,049 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 13:11:18,049 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 13:11:18,049 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 13:11:18,050 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:17" (1/1) ... [2024-11-22 13:11:18,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 13:11:18,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 13:11:18,078 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 13:11:18,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 13:11:18,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 13:11:18,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-22 13:11:18,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-22 13:11:18,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-22 13:11:18,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-22 13:11:18,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-22 13:11:18,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-22 13:11:18,118 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 13:11:18,119 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 13:11:18,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-22 13:11:18,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 13:11:18,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 13:11:18,226 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 13:11:18,228 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 13:11:18,676 INFO L? ?]: Removed 130 outVars from TransFormulas that were not future-live. [2024-11-22 13:11:18,677 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 13:11:18,689 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 13:11:18,690 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 13:11:18,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:11:18 BoogieIcfgContainer [2024-11-22 13:11:18,691 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 13:11:18,693 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 13:11:18,693 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 13:11:18,696 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 13:11:18,696 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:11:17" (1/3) ... [2024-11-22 13:11:18,697 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fcbff88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:11:18, skipping insertion in model container [2024-11-22 13:11:18,697 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:17" (2/3) ... [2024-11-22 13:11:18,698 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fcbff88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:11:18, skipping insertion in model container [2024-11-22 13:11:18,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:11:18" (3/3) ... [2024-11-22 13:11:18,699 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-81.i [2024-11-22 13:11:18,711 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 13:11:18,712 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 13:11:18,837 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 13:11:18,844 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3372665a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 13:11:18,844 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 13:11:18,849 INFO L276 IsEmpty]: Start isEmpty. Operand has 129 states, 108 states have (on average 1.4444444444444444) internal successors, (156), 109 states have internal predecessors, (156), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-22 13:11:18,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-22 13:11:18,861 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:11:18,863 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:11:18,863 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:11:18,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:11:18,868 INFO L85 PathProgramCache]: Analyzing trace with hash -292936724, now seen corresponding path program 1 times [2024-11-22 13:11:18,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 13:11:18,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478899447] [2024-11-22 13:11:18,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:11:18,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 13:11:19,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:11:19,201 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-22 13:11:19,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 13:11:19,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478899447] [2024-11-22 13:11:19,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478899447] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 13:11:19,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [509817544] [2024-11-22 13:11:19,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:11:19,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 13:11:19,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 13:11:19,205 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 13:11:19,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 13:11:19,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:11:19,391 INFO L255 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 13:11:19,398 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 13:11:19,423 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-22 13:11:19,424 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 13:11:19,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [509817544] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:11:19,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 13:11:19,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-22 13:11:19,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863661138] [2024-11-22 13:11:19,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:11:19,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 13:11:19,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 13:11:19,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 13:11:19,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 13:11:19,453 INFO L87 Difference]: Start difference. First operand has 129 states, 108 states have (on average 1.4444444444444444) internal successors, (156), 109 states have internal predecessors, (156), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 13:11:19,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:11:19,480 INFO L93 Difference]: Finished difference Result 251 states and 396 transitions. [2024-11-22 13:11:19,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 13:11:19,482 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 148 [2024-11-22 13:11:19,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:11:19,489 INFO L225 Difference]: With dead ends: 251 [2024-11-22 13:11:19,489 INFO L226 Difference]: Without dead ends: 125 [2024-11-22 13:11:19,493 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 13:11:19,495 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 13:11:19,496 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 13:11:19,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-22 13:11:19,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2024-11-22 13:11:19,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 105 states have (on average 1.4) internal successors, (147), 105 states have internal predecessors, (147), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-22 13:11:19,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 183 transitions. [2024-11-22 13:11:19,529 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 183 transitions. Word has length 148 [2024-11-22 13:11:19,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:11:19,530 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 183 transitions. [2024-11-22 13:11:19,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 13:11:19,530 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 183 transitions. [2024-11-22 13:11:19,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-22 13:11:19,533 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:11:19,533 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:11:19,541 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-22 13:11:19,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-22 13:11:19,736 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:11:19,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:11:19,736 INFO L85 PathProgramCache]: Analyzing trace with hash 578968328, now seen corresponding path program 1 times [2024-11-22 13:11:19,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 13:11:19,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837772290] [2024-11-22 13:11:19,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:11:19,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 13:11:19,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:11:20,269 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-22 13:11:20,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 13:11:20,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837772290] [2024-11-22 13:11:20,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837772290] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:11:20,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 13:11:20,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 13:11:20,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125602150] [2024-11-22 13:11:20,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:11:20,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 13:11:20,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 13:11:20,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 13:11:20,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 13:11:20,275 INFO L87 Difference]: Start difference. First operand 125 states and 183 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-22 13:11:20,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:11:20,591 INFO L93 Difference]: Finished difference Result 370 states and 544 transitions. [2024-11-22 13:11:20,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 13:11:20,592 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 148 [2024-11-22 13:11:20,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:11:20,594 INFO L225 Difference]: With dead ends: 370 [2024-11-22 13:11:20,595 INFO L226 Difference]: Without dead ends: 248 [2024-11-22 13:11:20,595 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 13:11:20,596 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 174 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 13:11:20,597 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 387 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 13:11:20,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-11-22 13:11:20,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 219. [2024-11-22 13:11:20,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 180 states have (on average 1.3833333333333333) internal successors, (249), 180 states have internal predecessors, (249), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-22 13:11:20,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 321 transitions. [2024-11-22 13:11:20,635 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 321 transitions. Word has length 148 [2024-11-22 13:11:20,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:11:20,636 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 321 transitions. [2024-11-22 13:11:20,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-22 13:11:20,637 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 321 transitions. [2024-11-22 13:11:20,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-22 13:11:20,639 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:11:20,639 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:11:20,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 13:11:20,639 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:11:20,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:11:20,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1631661807, now seen corresponding path program 1 times [2024-11-22 13:11:20,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 13:11:20,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355484891] [2024-11-22 13:11:20,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:11:20,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 13:11:20,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:11:20,885 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-22 13:11:20,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 13:11:20,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355484891] [2024-11-22 13:11:20,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355484891] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 13:11:20,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [828870677] [2024-11-22 13:11:20,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:11:20,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 13:11:20,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 13:11:20,890 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 13:11:20,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 13:11:21,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:11:21,077 INFO L255 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 13:11:21,086 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 13:11:21,122 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-22 13:11:21,123 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 13:11:21,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [828870677] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:11:21,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 13:11:21,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2024-11-22 13:11:21,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788458768] [2024-11-22 13:11:21,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:11:21,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 13:11:21,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 13:11:21,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 13:11:21,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-22 13:11:21,127 INFO L87 Difference]: Start difference. First operand 219 states and 321 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-22 13:11:21,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:11:21,151 INFO L93 Difference]: Finished difference Result 345 states and 507 transitions. [2024-11-22 13:11:21,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 13:11:21,152 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 149 [2024-11-22 13:11:21,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:11:21,154 INFO L225 Difference]: With dead ends: 345 [2024-11-22 13:11:21,156 INFO L226 Difference]: Without dead ends: 223 [2024-11-22 13:11:21,157 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-22 13:11:21,157 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 0 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 13:11:21,158 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 532 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 13:11:21,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-11-22 13:11:21,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2024-11-22 13:11:21,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 184 states have (on average 1.375) internal successors, (253), 184 states have internal predecessors, (253), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-22 13:11:21,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 325 transitions. [2024-11-22 13:11:21,176 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 325 transitions. Word has length 149 [2024-11-22 13:11:21,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:11:21,176 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 325 transitions. [2024-11-22 13:11:21,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-22 13:11:21,176 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 325 transitions. [2024-11-22 13:11:21,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-22 13:11:21,178 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:11:21,178 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:11:21,189 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-22 13:11:21,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-22 13:11:21,379 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:11:21,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:11:21,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1914211980, now seen corresponding path program 1 times [2024-11-22 13:11:21,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 13:11:21,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748890906] [2024-11-22 13:11:21,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:11:21,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 13:11:21,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:11:21,736 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-22 13:11:21,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 13:11:21,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748890906] [2024-11-22 13:11:21,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748890906] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:11:21,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 13:11:21,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 13:11:21,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532273972] [2024-11-22 13:11:21,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:11:21,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 13:11:21,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 13:11:21,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 13:11:21,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 13:11:21,739 INFO L87 Difference]: Start difference. First operand 223 states and 325 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-22 13:11:21,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:11:21,971 INFO L93 Difference]: Finished difference Result 405 states and 589 transitions. [2024-11-22 13:11:21,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 13:11:21,971 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 151 [2024-11-22 13:11:21,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:11:21,974 INFO L225 Difference]: With dead ends: 405 [2024-11-22 13:11:21,975 INFO L226 Difference]: Without dead ends: 252 [2024-11-22 13:11:21,975 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 13:11:21,976 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 166 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 13:11:21,977 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 403 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 13:11:21,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-11-22 13:11:22,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 223. [2024-11-22 13:11:22,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 184 states have (on average 1.3641304347826086) internal successors, (251), 184 states have internal predecessors, (251), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-22 13:11:22,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 323 transitions. [2024-11-22 13:11:22,006 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 323 transitions. Word has length 151 [2024-11-22 13:11:22,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:11:22,006 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 323 transitions. [2024-11-22 13:11:22,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-22 13:11:22,007 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 323 transitions. [2024-11-22 13:11:22,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-22 13:11:22,008 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:11:22,008 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:11:22,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 13:11:22,008 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:11:22,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:11:22,010 INFO L85 PathProgramCache]: Analyzing trace with hash -460148375, now seen corresponding path program 1 times [2024-11-22 13:11:22,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 13:11:22,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191474112] [2024-11-22 13:11:22,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:11:22,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 13:11:22,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:11:22,302 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-22 13:11:22,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 13:11:22,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191474112] [2024-11-22 13:11:22,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191474112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:11:22,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 13:11:22,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 13:11:22,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758078545] [2024-11-22 13:11:22,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:11:22,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 13:11:22,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 13:11:22,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 13:11:22,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 13:11:22,305 INFO L87 Difference]: Start difference. First operand 223 states and 323 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-22 13:11:22,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:11:22,619 INFO L93 Difference]: Finished difference Result 398 states and 573 transitions. [2024-11-22 13:11:22,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 13:11:22,619 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 153 [2024-11-22 13:11:22,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:11:22,621 INFO L225 Difference]: With dead ends: 398 [2024-11-22 13:11:22,621 INFO L226 Difference]: Without dead ends: 267 [2024-11-22 13:11:22,622 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-22 13:11:22,622 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 49 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 604 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 13:11:22,623 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 604 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 13:11:22,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2024-11-22 13:11:22,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 227. [2024-11-22 13:11:22,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 188 states have (on average 1.3563829787234043) internal successors, (255), 188 states have internal predecessors, (255), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-22 13:11:22,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 327 transitions. [2024-11-22 13:11:22,644 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 327 transitions. Word has length 153 [2024-11-22 13:11:22,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:11:22,644 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 327 transitions. [2024-11-22 13:11:22,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-22 13:11:22,644 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 327 transitions. [2024-11-22 13:11:22,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-22 13:11:22,646 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:11:22,646 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:11:22,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 13:11:22,646 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:11:22,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:11:22,646 INFO L85 PathProgramCache]: Analyzing trace with hash -859740316, now seen corresponding path program 1 times [2024-11-22 13:11:22,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 13:11:22,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522237062] [2024-11-22 13:11:22,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:11:22,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 13:11:22,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 13:11:22,805 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-22 13:11:22,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 13:11:22,912 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-22 13:11:22,912 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-22 13:11:22,913 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-22 13:11:22,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 13:11:22,916 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-22 13:11:22,989 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 13:11:22,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:11:22 BoogieIcfgContainer [2024-11-22 13:11:22,993 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 13:11:22,993 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 13:11:22,993 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 13:11:22,993 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 13:11:22,994 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:11:18" (3/4) ... [2024-11-22 13:11:22,997 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-22 13:11:22,998 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 13:11:22,998 INFO L158 Benchmark]: Toolchain (without parser) took 5384.41ms. Allocated memory was 188.7MB in the beginning and 274.7MB in the end (delta: 86.0MB). Free memory was 158.5MB in the beginning and 152.5MB in the end (delta: 6.0MB). Peak memory consumption was 91.6MB. Max. memory is 16.1GB. [2024-11-22 13:11:22,998 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 125.8MB. Free memory is still 92.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 13:11:22,998 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.32ms. Allocated memory is still 188.7MB. Free memory was 158.3MB in the beginning and 145.0MB in the end (delta: 13.3MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2024-11-22 13:11:22,999 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.99ms. Allocated memory is still 188.7MB. Free memory was 144.1MB in the beginning and 139.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-22 13:11:22,999 INFO L158 Benchmark]: Boogie Preprocessor took 58.66ms. Allocated memory is still 188.7MB. Free memory was 139.9MB in the beginning and 135.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-22 13:11:22,999 INFO L158 Benchmark]: RCFGBuilder took 642.54ms. Allocated memory is still 188.7MB. Free memory was 135.7MB in the beginning and 97.2MB in the end (delta: 38.6MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-22 13:11:22,999 INFO L158 Benchmark]: TraceAbstraction took 4299.40ms. Allocated memory was 188.7MB in the beginning and 274.7MB in the end (delta: 86.0MB). Free memory was 96.7MB in the beginning and 153.5MB in the end (delta: -56.8MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2024-11-22 13:11:22,999 INFO L158 Benchmark]: Witness Printer took 4.58ms. Allocated memory is still 274.7MB. Free memory was 153.5MB in the beginning and 152.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 13:11:23,000 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 125.8MB. Free memory is still 92.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 326.32ms. Allocated memory is still 188.7MB. Free memory was 158.3MB in the beginning and 145.0MB in the end (delta: 13.3MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.99ms. Allocated memory is still 188.7MB. Free memory was 144.1MB in the beginning and 139.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.66ms. Allocated memory is still 188.7MB. Free memory was 139.9MB in the beginning and 135.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 642.54ms. Allocated memory is still 188.7MB. Free memory was 135.7MB in the beginning and 97.2MB in the end (delta: 38.6MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * TraceAbstraction took 4299.40ms. Allocated memory was 188.7MB in the beginning and 274.7MB in the end (delta: 86.0MB). Free memory was 96.7MB in the beginning and 153.5MB in the end (delta: -56.8MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. * Witness Printer took 4.58ms. Allocated memory is still 274.7MB. Free memory was 153.5MB in the beginning and 152.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 126, overapproximation of bitwiseOr at line 63. Possible FailurePath: [L39] unsigned char isInitial = 0; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 9999.5, 1, 4.5, 2.5, 0.0, 999999999999.3, -128, 16, 16, 5, 1, 16, 32647, 128, -8 }; [L57] unsigned short int last_1_WrapperStruct00_var_1_13 = 5; [L58] signed long int last_1_WrapperStruct00_var_1_18 = -8; VAL [WrapperStruct00={4:0}, isInitial=0, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L130] isInitial = 1 [L131] FCALL initially() [L132] COND TRUE 1 [L133] CALL updateLastVariables() [L122] EXPR WrapperStruct00.var_1_13 [L122] last_1_WrapperStruct00_var_1_13 = WrapperStruct00.var_1_13 [L123] EXPR WrapperStruct00.var_1_18 [L123] last_1_WrapperStruct00_var_1_18 = WrapperStruct00.var_1_18 [L133] RET updateLastVariables() [L134] CALL updateVariables() [L91] WrapperStruct00.var_1_2 = __VERIFIER_nondet_uchar() [L92] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L92] RET assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L93] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L93] CALL assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L93] RET assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L94] WrapperStruct00.var_1_3 = __VERIFIER_nondet_double() [L95] EXPR WrapperStruct00.var_1_3 [L95] EXPR WrapperStruct00.var_1_3 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F [L95] EXPR WrapperStruct00.var_1_3 [L95] EXPR WrapperStruct00.var_1_3 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L95] EXPR (WrapperStruct00.var_1_3 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L95] CALL assume_abort_if_not((WrapperStruct00.var_1_3 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L95] RET assume_abort_if_not((WrapperStruct00.var_1_3 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L96] WrapperStruct00.var_1_4 = __VERIFIER_nondet_double() [L97] EXPR WrapperStruct00.var_1_4 [L97] EXPR WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F [L97] EXPR WrapperStruct00.var_1_4 [L97] EXPR WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L97] EXPR (WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L97] CALL assume_abort_if_not((WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L97] RET assume_abort_if_not((WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L98] WrapperStruct00.var_1_5 = __VERIFIER_nondet_double() [L99] EXPR WrapperStruct00.var_1_5 [L99] EXPR WrapperStruct00.var_1_5 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_5 <= -1.0e-20F [L99] EXPR WrapperStruct00.var_1_5 [L99] EXPR WrapperStruct00.var_1_5 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_5 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L99] EXPR (WrapperStruct00.var_1_5 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L99] CALL assume_abort_if_not((WrapperStruct00.var_1_5 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L99] RET assume_abort_if_not((WrapperStruct00.var_1_5 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L100] WrapperStruct00.var_1_6 = __VERIFIER_nondet_double() [L101] EXPR WrapperStruct00.var_1_6 [L101] EXPR WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F [L101] EXPR WrapperStruct00.var_1_6 [L101] EXPR WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L101] EXPR (WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L101] CALL assume_abort_if_not((WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L101] RET assume_abort_if_not((WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L102] WrapperStruct00.var_1_11 = __VERIFIER_nondet_char() [L103] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L103] CALL assume_abort_if_not(WrapperStruct00.var_1_11 >= -63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L103] RET assume_abort_if_not(WrapperStruct00.var_1_11 >= -63) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L104] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L104] CALL assume_abort_if_not(WrapperStruct00.var_1_11 <= 63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L104] RET assume_abort_if_not(WrapperStruct00.var_1_11 <= 63) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L105] WrapperStruct00.var_1_12 = __VERIFIER_nondet_char() [L106] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L106] CALL assume_abort_if_not(WrapperStruct00.var_1_12 >= -63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L106] RET assume_abort_if_not(WrapperStruct00.var_1_12 >= -63) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L107] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L107] CALL assume_abort_if_not(WrapperStruct00.var_1_12 <= 63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L107] RET assume_abort_if_not(WrapperStruct00.var_1_12 <= 63) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L108] WrapperStruct00.var_1_14 = __VERIFIER_nondet_uchar() [L109] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L109] CALL assume_abort_if_not(WrapperStruct00.var_1_14 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L109] RET assume_abort_if_not(WrapperStruct00.var_1_14 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L110] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L110] CALL assume_abort_if_not(WrapperStruct00.var_1_14 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L110] RET assume_abort_if_not(WrapperStruct00.var_1_14 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L111] WrapperStruct00.var_1_15 = __VERIFIER_nondet_ushort() [L112] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L112] CALL assume_abort_if_not(WrapperStruct00.var_1_15 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L112] RET assume_abort_if_not(WrapperStruct00.var_1_15 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L113] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L113] CALL assume_abort_if_not(WrapperStruct00.var_1_15 <= 65534) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L113] RET assume_abort_if_not(WrapperStruct00.var_1_15 <= 65534) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L114] WrapperStruct00.var_1_16 = __VERIFIER_nondet_ushort() [L115] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L115] CALL assume_abort_if_not(WrapperStruct00.var_1_16 >= 16383) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L115] RET assume_abort_if_not(WrapperStruct00.var_1_16 >= 16383) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L116] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L116] CALL assume_abort_if_not(WrapperStruct00.var_1_16 <= 32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L116] RET assume_abort_if_not(WrapperStruct00.var_1_16 <= 32767) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L117] WrapperStruct00.var_1_17 = __VERIFIER_nondet_ushort() [L118] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L118] CALL assume_abort_if_not(WrapperStruct00.var_1_17 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L118] RET assume_abort_if_not(WrapperStruct00.var_1_17 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L119] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L119] CALL assume_abort_if_not(WrapperStruct00.var_1_17 <= 32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L119] RET assume_abort_if_not(WrapperStruct00.var_1_17 <= 32767) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L134] RET updateVariables() [L135] CALL step() [L62] signed long int stepLocal_0 = (((-25) < (last_1_WrapperStruct00_var_1_18)) ? (-25) : (last_1_WrapperStruct00_var_1_18)); VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8, stepLocal_0=-25] [L63] EXPR last_1_WrapperStruct00_var_1_18 ^ last_1_WrapperStruct00_var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8, stepLocal_0=-25] [L63] COND TRUE stepLocal_0 != (last_1_WrapperStruct00_var_1_18 ^ last_1_WrapperStruct00_var_1_13) [L64] WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L64] COND TRUE WrapperStruct00.var_1_2 [L65] EXPR WrapperStruct00.var_1_11 [L65] EXPR WrapperStruct00.var_1_12 [L65] WrapperStruct00.var_1_7 = (WrapperStruct00.var_1_11 + WrapperStruct00.var_1_12) [L70] EXPR WrapperStruct00.var_1_11 [L70] EXPR WrapperStruct00.var_1_7 [L70] unsigned char stepLocal_1 = WrapperStruct00.var_1_11 >= WrapperStruct00.var_1_7; [L71] stepLocal_1 && WrapperStruct00.var_1_14 [L71] EXPR WrapperStruct00.var_1_14 [L71] stepLocal_1 && WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L71] COND FALSE !(stepLocal_1 && WrapperStruct00.var_1_14) [L74] EXPR WrapperStruct00.var_1_16 [L74] EXPR WrapperStruct00.var_1_17 [L74] WrapperStruct00.var_1_13 = ((WrapperStruct00.var_1_16 - 5) + WrapperStruct00.var_1_17) [L76] EXPR WrapperStruct00.var_1_7 [L76] signed char stepLocal_2 = WrapperStruct00.var_1_7; [L77] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8, stepLocal_2=-64] [L77] COND FALSE !(stepLocal_2 > WrapperStruct00.var_1_16) [L84] EXPR WrapperStruct00.var_1_15 [L84] WrapperStruct00.var_1_18 = WrapperStruct00.var_1_15 [L86] WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L86] COND TRUE WrapperStruct00.var_1_2 [L87] EXPR WrapperStruct00.var_1_3 [L87] EXPR WrapperStruct00.var_1_4 [L87] EXPR WrapperStruct00.var_1_5 [L87] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L87] EXPR ((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6))) [L87] EXPR WrapperStruct00.var_1_3 [L87] EXPR ((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L87] WrapperStruct00.var_1_1 = ((((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6))))) [L135] RET step() [L136] CALL, EXPR property() [L126] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L126] EXPR WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((double) ((((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6))))))) : 1 [L126] EXPR WrapperStruct00.var_1_1 [L126] EXPR WrapperStruct00.var_1_3 [L126] EXPR WrapperStruct00.var_1_4 [L126] EXPR WrapperStruct00.var_1_5 [L126] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L126] EXPR ((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6))) [L126] EXPR WrapperStruct00.var_1_3 [L126] EXPR ((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L126] EXPR WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((double) ((((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6))))))) : 1 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L126] EXPR (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((double) ((((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6))))))) : 1) && ((((((-25) < (last_1_WrapperStruct00_var_1_18)) ? (-25) : (last_1_WrapperStruct00_var_1_18))) != (last_1_WrapperStruct00_var_1_18 ^ last_1_WrapperStruct00_var_1_13)) ? (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_7 == ((signed char) (WrapperStruct00.var_1_11 + WrapperStruct00.var_1_12))) : 1) : (WrapperStruct00.var_1_7 == ((signed char) ((((WrapperStruct00.var_1_12) < (WrapperStruct00.var_1_11)) ? (WrapperStruct00.var_1_12) : (WrapperStruct00.var_1_11)))))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L126] EXPR ((WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((double) ((((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6))))))) : 1) && ((((((-25) < (last_1_WrapperStruct00_var_1_18)) ? (-25) : (last_1_WrapperStruct00_var_1_18))) != (last_1_WrapperStruct00_var_1_18 ^ last_1_WrapperStruct00_var_1_13)) ? (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_7 == ((signed char) (WrapperStruct00.var_1_11 + WrapperStruct00.var_1_12))) : 1) : (WrapperStruct00.var_1_7 == ((signed char) ((((WrapperStruct00.var_1_12) < (WrapperStruct00.var_1_11)) ? (WrapperStruct00.var_1_12) : (WrapperStruct00.var_1_11))))))) && (((WrapperStruct00.var_1_11 >= WrapperStruct00.var_1_7) && WrapperStruct00.var_1_14) ? (WrapperStruct00.var_1_13 == ((unsigned short int) ((((WrapperStruct00.var_1_15) < (100)) ? (WrapperStruct00.var_1_15) : (100))))) : (WrapperStruct00.var_1_13 == ((unsigned short int) ((WrapperStruct00.var_1_16 - 5) + WrapperStruct00.var_1_17)))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L126] EXPR (((WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((double) ((((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6))))))) : 1) && ((((((-25) < (last_1_WrapperStruct00_var_1_18)) ? (-25) : (last_1_WrapperStruct00_var_1_18))) != (last_1_WrapperStruct00_var_1_18 ^ last_1_WrapperStruct00_var_1_13)) ? (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_7 == ((signed char) (WrapperStruct00.var_1_11 + WrapperStruct00.var_1_12))) : 1) : (WrapperStruct00.var_1_7 == ((signed char) ((((WrapperStruct00.var_1_12) < (WrapperStruct00.var_1_11)) ? (WrapperStruct00.var_1_12) : (WrapperStruct00.var_1_11))))))) && (((WrapperStruct00.var_1_11 >= WrapperStruct00.var_1_7) && WrapperStruct00.var_1_14) ? (WrapperStruct00.var_1_13 == ((unsigned short int) ((((WrapperStruct00.var_1_15) < (100)) ? (WrapperStruct00.var_1_15) : (100))))) : (WrapperStruct00.var_1_13 == ((unsigned short int) ((WrapperStruct00.var_1_16 - 5) + WrapperStruct00.var_1_17))))) && ((WrapperStruct00.var_1_7 > WrapperStruct00.var_1_16) ? ((WrapperStruct00.var_1_3 < (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_18 == ((signed long int) ((((WrapperStruct00.var_1_15) < 0 ) ? -(WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_15))))) : (WrapperStruct00.var_1_18 == ((signed long int) WrapperStruct00.var_1_13))) : (WrapperStruct00.var_1_18 == ((signed long int) WrapperStruct00.var_1_15))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L126-L127] return (((WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((double) ((((WrapperStruct00.var_1_3) > ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_4 - (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6))))))) : 1) && ((((((-25) < (last_1_WrapperStruct00_var_1_18)) ? (-25) : (last_1_WrapperStruct00_var_1_18))) != (last_1_WrapperStruct00_var_1_18 ^ last_1_WrapperStruct00_var_1_13)) ? (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_7 == ((signed char) (WrapperStruct00.var_1_11 + WrapperStruct00.var_1_12))) : 1) : (WrapperStruct00.var_1_7 == ((signed char) ((((WrapperStruct00.var_1_12) < (WrapperStruct00.var_1_11)) ? (WrapperStruct00.var_1_12) : (WrapperStruct00.var_1_11))))))) && (((WrapperStruct00.var_1_11 >= WrapperStruct00.var_1_7) && WrapperStruct00.var_1_14) ? (WrapperStruct00.var_1_13 == ((unsigned short int) ((((WrapperStruct00.var_1_15) < (100)) ? (WrapperStruct00.var_1_15) : (100))))) : (WrapperStruct00.var_1_13 == ((unsigned short int) ((WrapperStruct00.var_1_16 - 5) + WrapperStruct00.var_1_17))))) && ((WrapperStruct00.var_1_7 > WrapperStruct00.var_1_16) ? ((WrapperStruct00.var_1_3 < (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_18 == ((signed long int) ((((WrapperStruct00.var_1_15) < 0 ) ? -(WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_15))))) : (WrapperStruct00.var_1_18 == ((signed long int) WrapperStruct00.var_1_13))) : (WrapperStruct00.var_1_18 == ((signed long int) WrapperStruct00.var_1_15))) ; [L136] RET, EXPR property() [L136] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] [L19] reach_error() VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=5, last_1_WrapperStruct00_var_1_18=-8] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 129 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.1s, OverallIterations: 6, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 389 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 389 mSDsluCounter, 2109 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1298 mSDsCounter, 142 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 529 IncrementalHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 142 mSolverCounterUnsat, 811 mSDtfsCounter, 529 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 322 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=227occurred in iteration=5, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 98 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1201 NumberOfCodeBlocks, 1201 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1039 ConstructedInterpolants, 0 QuantifiedInterpolants, 1436 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1043 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 4199/4284 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-22 13:11:23,024 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-81.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2b07b7903cb9834718dcbd3dbb565f62432b2101fe170e5e45b3142d9f35cf0c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 13:11:24,785 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 13:11:24,845 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-22 13:11:24,849 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 13:11:24,851 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 13:11:24,873 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 13:11:24,875 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 13:11:24,875 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 13:11:24,876 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 13:11:24,876 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 13:11:24,877 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 13:11:24,877 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 13:11:24,878 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 13:11:24,878 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 13:11:24,878 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 13:11:24,881 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 13:11:24,881 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 13:11:24,881 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 13:11:24,881 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 13:11:24,881 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 13:11:24,881 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 13:11:24,883 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 13:11:24,884 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 13:11:24,884 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-22 13:11:24,884 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-22 13:11:24,884 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 13:11:24,884 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-22 13:11:24,884 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 13:11:24,885 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 13:11:24,885 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 13:11:24,885 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 13:11:24,885 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 13:11:24,885 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 13:11:24,885 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 13:11:24,885 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 13:11:24,886 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 13:11:24,886 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 13:11:24,886 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 13:11:24,886 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-22 13:11:24,886 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-22 13:11:24,886 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 13:11:24,887 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 13:11:24,888 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 13:11:24,888 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 13:11:24,888 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b07b7903cb9834718dcbd3dbb565f62432b2101fe170e5e45b3142d9f35cf0c [2024-11-22 13:11:25,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 13:11:25,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 13:11:25,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 13:11:25,161 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 13:11:25,162 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 13:11:25,162 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-81.i [2024-11-22 13:11:26,360 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 13:11:26,534 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 13:11:26,535 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-81.i [2024-11-22 13:11:26,542 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed8f455b8/11445c013fae4774830ff6f66c2a3d80/FLAGd28bf3876 [2024-11-22 13:11:26,928 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed8f455b8/11445c013fae4774830ff6f66c2a3d80 [2024-11-22 13:11:26,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 13:11:26,932 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 13:11:26,933 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 13:11:26,933 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 13:11:26,938 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 13:11:26,939 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:11:26" (1/1) ... [2024-11-22 13:11:26,940 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fc25364 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:26, skipping insertion in model container [2024-11-22 13:11:26,940 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:11:26" (1/1) ... [2024-11-22 13:11:26,968 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 13:11:27,136 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-81.i[916,929] [2024-11-22 13:11:27,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 13:11:27,222 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 13:11:27,236 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-81.i[916,929] [2024-11-22 13:11:27,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 13:11:27,314 INFO L204 MainTranslator]: Completed translation [2024-11-22 13:11:27,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:27 WrapperNode [2024-11-22 13:11:27,314 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 13:11:27,316 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 13:11:27,316 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 13:11:27,316 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 13:11:27,322 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:27" (1/1) ... [2024-11-22 13:11:27,340 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:27" (1/1) ... [2024-11-22 13:11:27,372 INFO L138 Inliner]: procedures = 37, calls = 172, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 523 [2024-11-22 13:11:27,373 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 13:11:27,373 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 13:11:27,373 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 13:11:27,374 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 13:11:27,384 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:27" (1/1) ... [2024-11-22 13:11:27,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:27" (1/1) ... [2024-11-22 13:11:27,390 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:27" (1/1) ... [2024-11-22 13:11:27,408 INFO L175 MemorySlicer]: Split 143 memory accesses to 2 slices as follows [2, 141]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 35 writes are split as follows [0, 35]. [2024-11-22 13:11:27,409 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:27" (1/1) ... [2024-11-22 13:11:27,409 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:27" (1/1) ... [2024-11-22 13:11:27,429 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:27" (1/1) ... [2024-11-22 13:11:27,432 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:27" (1/1) ... [2024-11-22 13:11:27,435 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:27" (1/1) ... [2024-11-22 13:11:27,437 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:27" (1/1) ... [2024-11-22 13:11:27,442 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 13:11:27,443 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 13:11:27,443 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 13:11:27,443 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 13:11:27,443 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:27" (1/1) ... [2024-11-22 13:11:27,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 13:11:27,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 13:11:27,478 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 13:11:27,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 13:11:27,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 13:11:27,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-22 13:11:27,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-22 13:11:27,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#0 [2024-11-22 13:11:27,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#1 [2024-11-22 13:11:27,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-22 13:11:27,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-22 13:11:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-22 13:11:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-22 13:11:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-22 13:11:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-22 13:11:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-22 13:11:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-22 13:11:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-22 13:11:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-22 13:11:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-22 13:11:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-22 13:11:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-22 13:11:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-22 13:11:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-22 13:11:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-22 13:11:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 13:11:27,520 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 13:11:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 13:11:27,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 13:11:27,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-22 13:11:27,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-22 13:11:27,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-22 13:11:27,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-22 13:11:27,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-22 13:11:27,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-22 13:11:27,667 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 13:11:27,671 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 13:11:37,545 INFO L? ?]: Removed 136 outVars from TransFormulas that were not future-live. [2024-11-22 13:11:37,546 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 13:11:37,563 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 13:11:37,564 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 13:11:37,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:11:37 BoogieIcfgContainer [2024-11-22 13:11:37,565 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 13:11:37,566 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 13:11:37,567 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 13:11:37,569 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 13:11:37,570 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:11:26" (1/3) ... [2024-11-22 13:11:37,570 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a2f61d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:11:37, skipping insertion in model container [2024-11-22 13:11:37,570 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:27" (2/3) ... [2024-11-22 13:11:37,571 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a2f61d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:11:37, skipping insertion in model container [2024-11-22 13:11:37,571 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:11:37" (3/3) ... [2024-11-22 13:11:37,572 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-81.i [2024-11-22 13:11:37,586 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 13:11:37,587 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 13:11:37,647 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 13:11:37,654 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@41e5877f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 13:11:37,654 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 13:11:37,658 INFO L276 IsEmpty]: Start isEmpty. Operand has 121 states, 100 states have (on average 1.42) internal successors, (142), 101 states have internal predecessors, (142), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-22 13:11:37,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-22 13:11:37,672 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:11:37,672 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:11:37,673 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:11:37,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:11:37,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1978409274, now seen corresponding path program 1 times [2024-11-22 13:11:37,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 13:11:37,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [409154679] [2024-11-22 13:11:37,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:11:37,691 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:11:37,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 13:11:37,694 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 13:11:37,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-22 13:11:37,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:11:37,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 13:11:37,992 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 13:11:38,028 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 298 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2024-11-22 13:11:38,029 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 13:11:38,029 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 13:11:38,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [409154679] [2024-11-22 13:11:38,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [409154679] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:11:38,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 13:11:38,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 13:11:38,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932044180] [2024-11-22 13:11:38,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:11:38,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 13:11:38,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 13:11:38,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 13:11:38,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 13:11:38,060 INFO L87 Difference]: Start difference. First operand has 121 states, 100 states have (on average 1.42) internal successors, (142), 101 states have internal predecessors, (142), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 13:11:38,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:11:38,091 INFO L93 Difference]: Finished difference Result 235 states and 368 transitions. [2024-11-22 13:11:38,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 13:11:38,093 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 147 [2024-11-22 13:11:38,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:11:38,099 INFO L225 Difference]: With dead ends: 235 [2024-11-22 13:11:38,099 INFO L226 Difference]: Without dead ends: 117 [2024-11-22 13:11:38,102 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 13:11:38,104 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 13:11:38,105 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 13:11:38,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-22 13:11:38,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-11-22 13:11:38,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 97 states have (on average 1.3711340206185567) internal successors, (133), 97 states have internal predecessors, (133), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-22 13:11:38,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 169 transitions. [2024-11-22 13:11:38,141 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 169 transitions. Word has length 147 [2024-11-22 13:11:38,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:11:38,141 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 169 transitions. [2024-11-22 13:11:38,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 13:11:38,142 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 169 transitions. [2024-11-22 13:11:38,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-22 13:11:38,144 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:11:38,145 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:11:38,163 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-22 13:11:38,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:11:38,349 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:11:38,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:11:38,350 INFO L85 PathProgramCache]: Analyzing trace with hash 482514590, now seen corresponding path program 1 times [2024-11-22 13:11:38,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 13:11:38,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1048501242] [2024-11-22 13:11:38,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:11:38,351 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:11:38,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 13:11:38,354 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 13:11:38,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-22 13:11:38,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:11:38,571 INFO L255 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 13:11:38,574 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 13:11:38,634 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2024-11-22 13:11:38,634 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 13:11:38,635 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 13:11:38,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1048501242] [2024-11-22 13:11:38,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1048501242] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:11:38,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 13:11:38,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 13:11:38,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175871159] [2024-11-22 13:11:38,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:11:38,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 13:11:38,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 13:11:38,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 13:11:38,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 13:11:38,642 INFO L87 Difference]: Start difference. First operand 117 states and 169 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 13:11:38,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:11:38,748 INFO L93 Difference]: Finished difference Result 233 states and 338 transitions. [2024-11-22 13:11:38,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 13:11:38,749 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 147 [2024-11-22 13:11:38,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:11:38,751 INFO L225 Difference]: With dead ends: 233 [2024-11-22 13:11:38,752 INFO L226 Difference]: Without dead ends: 119 [2024-11-22 13:11:38,753 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 13:11:38,755 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 0 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 13:11:38,755 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 490 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 13:11:38,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-22 13:11:38,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2024-11-22 13:11:38,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 99 states have (on average 1.3636363636363635) internal successors, (135), 99 states have internal predecessors, (135), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-22 13:11:38,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 171 transitions. [2024-11-22 13:11:38,764 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 171 transitions. Word has length 147 [2024-11-22 13:11:38,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:11:38,765 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 171 transitions. [2024-11-22 13:11:38,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 13:11:38,765 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 171 transitions. [2024-11-22 13:11:38,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-22 13:11:38,767 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:11:38,767 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:11:38,777 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-22 13:11:38,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:11:38,968 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:11:38,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:11:38,968 INFO L85 PathProgramCache]: Analyzing trace with hash -192645536, now seen corresponding path program 1 times [2024-11-22 13:11:38,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 13:11:38,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1263691336] [2024-11-22 13:11:38,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:11:38,969 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:11:38,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 13:11:38,972 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 13:11:38,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-22 13:11:39,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:11:39,229 INFO L255 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 13:11:39,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 13:11:39,289 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-22 13:11:39,291 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 13:11:39,291 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 13:11:39,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1263691336] [2024-11-22 13:11:39,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1263691336] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:11:39,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 13:11:39,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 13:11:39,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767129434] [2024-11-22 13:11:39,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:11:39,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 13:11:39,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 13:11:39,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 13:11:39,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 13:11:39,295 INFO L87 Difference]: Start difference. First operand 119 states and 171 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-22 13:11:39,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:11:39,377 INFO L93 Difference]: Finished difference Result 237 states and 342 transitions. [2024-11-22 13:11:39,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 13:11:39,378 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 147 [2024-11-22 13:11:39,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:11:39,392 INFO L225 Difference]: With dead ends: 237 [2024-11-22 13:11:39,392 INFO L226 Difference]: Without dead ends: 121 [2024-11-22 13:11:39,392 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 13:11:39,393 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 0 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 13:11:39,394 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 490 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 13:11:39,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-22 13:11:39,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-11-22 13:11:39,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 101 states have (on average 1.3564356435643565) internal successors, (137), 101 states have internal predecessors, (137), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-22 13:11:39,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 173 transitions. [2024-11-22 13:11:39,411 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 173 transitions. Word has length 147 [2024-11-22 13:11:39,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:11:39,411 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 173 transitions. [2024-11-22 13:11:39,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-22 13:11:39,412 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 173 transitions. [2024-11-22 13:11:39,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-22 13:11:39,413 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:11:39,413 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:11:39,434 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-22 13:11:39,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:11:39,614 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:11:39,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:11:39,615 INFO L85 PathProgramCache]: Analyzing trace with hash -1994753349, now seen corresponding path program 1 times [2024-11-22 13:11:39,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 13:11:39,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [866911824] [2024-11-22 13:11:39,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:11:39,616 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:11:39,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 13:11:39,620 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 13:11:39,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-22 13:11:39,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:11:39,956 INFO L255 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 13:11:39,960 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 13:11:40,067 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-22 13:11:40,067 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 13:11:40,067 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 13:11:40,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [866911824] [2024-11-22 13:11:40,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [866911824] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:11:40,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 13:11:40,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 13:11:40,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555811859] [2024-11-22 13:11:40,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:11:40,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 13:11:40,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 13:11:40,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 13:11:40,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 13:11:40,069 INFO L87 Difference]: Start difference. First operand 121 states and 173 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-22 13:11:41,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 13:11:43,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 13:11:48,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 13:11:51,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 13:11:55,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 13:11:57,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:11:57,218 INFO L93 Difference]: Finished difference Result 272 states and 387 transitions. [2024-11-22 13:11:57,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 13:11:57,219 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 149 [2024-11-22 13:11:57,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:11:57,220 INFO L225 Difference]: With dead ends: 272 [2024-11-22 13:11:57,221 INFO L226 Difference]: Without dead ends: 154 [2024-11-22 13:11:57,221 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-22 13:11:57,222 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 42 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2024-11-22 13:11:57,222 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 477 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 202 Invalid, 2 Unknown, 0 Unchecked, 17.1s Time] [2024-11-22 13:11:57,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-11-22 13:11:57,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 123. [2024-11-22 13:11:57,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 103 states have (on average 1.3495145631067962) internal successors, (139), 103 states have internal predecessors, (139), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-22 13:11:57,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 175 transitions. [2024-11-22 13:11:57,228 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 175 transitions. Word has length 149 [2024-11-22 13:11:57,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:11:57,229 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 175 transitions. [2024-11-22 13:11:57,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-22 13:11:57,229 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 175 transitions. [2024-11-22 13:11:57,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-22 13:11:57,230 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:11:57,231 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:11:57,246 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-22 13:11:57,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:11:57,432 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:11:57,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:11:57,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1032169362, now seen corresponding path program 1 times [2024-11-22 13:11:57,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 13:11:57,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [620517043] [2024-11-22 13:11:57,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:11:57,433 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:11:57,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 13:11:57,435 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 13:11:57,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-22 13:11:57,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:11:57,659 INFO L255 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 13:11:57,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 13:11:58,246 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-22 13:11:58,247 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 13:11:58,247 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 13:11:58,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [620517043] [2024-11-22 13:11:58,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [620517043] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:11:58,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 13:11:58,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 13:11:58,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903391218] [2024-11-22 13:11:58,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:11:58,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 13:11:58,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 13:11:58,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 13:11:58,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 13:11:58,248 INFO L87 Difference]: Start difference. First operand 123 states and 175 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-22 13:11:59,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:11:59,255 INFO L93 Difference]: Finished difference Result 291 states and 413 transitions. [2024-11-22 13:11:59,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 13:11:59,255 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 151 [2024-11-22 13:11:59,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:11:59,258 INFO L225 Difference]: With dead ends: 291 [2024-11-22 13:11:59,258 INFO L226 Difference]: Without dead ends: 171 [2024-11-22 13:11:59,258 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 13:11:59,259 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 55 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-22 13:11:59,259 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 482 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-22 13:11:59,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-11-22 13:11:59,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 148. [2024-11-22 13:11:59,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 128 states have (on average 1.359375) internal successors, (174), 128 states have internal predecessors, (174), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-22 13:11:59,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 210 transitions. [2024-11-22 13:11:59,271 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 210 transitions. Word has length 151 [2024-11-22 13:11:59,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:11:59,272 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 210 transitions. [2024-11-22 13:11:59,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-22 13:11:59,273 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 210 transitions. [2024-11-22 13:11:59,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-22 13:11:59,277 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:11:59,277 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:11:59,286 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-22 13:11:59,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:11:59,478 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:11:59,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:11:59,478 INFO L85 PathProgramCache]: Analyzing trace with hash -731534663, now seen corresponding path program 1 times [2024-11-22 13:11:59,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 13:11:59,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1543339810] [2024-11-22 13:11:59,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:11:59,479 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:11:59,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 13:11:59,480 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 13:11:59,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-22 13:11:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:11:59,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 13:11:59,681 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 13:11:59,749 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-22 13:11:59,749 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 13:11:59,749 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 13:11:59,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1543339810] [2024-11-22 13:11:59,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1543339810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:11:59,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 13:11:59,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 13:11:59,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493593899] [2024-11-22 13:11:59,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:11:59,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 13:11:59,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 13:11:59,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 13:11:59,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 13:11:59,751 INFO L87 Difference]: Start difference. First operand 148 states and 210 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-22 13:11:59,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:11:59,842 INFO L93 Difference]: Finished difference Result 297 states and 422 transitions. [2024-11-22 13:11:59,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 13:11:59,843 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 151 [2024-11-22 13:11:59,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:11:59,844 INFO L225 Difference]: With dead ends: 297 [2024-11-22 13:11:59,844 INFO L226 Difference]: Without dead ends: 152 [2024-11-22 13:11:59,845 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 13:11:59,845 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 0 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 804 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 13:11:59,845 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 804 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 13:11:59,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-11-22 13:11:59,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2024-11-22 13:11:59,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 132 states have (on average 1.3484848484848484) internal successors, (178), 132 states have internal predecessors, (178), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-22 13:11:59,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 214 transitions. [2024-11-22 13:11:59,851 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 214 transitions. Word has length 151 [2024-11-22 13:11:59,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:11:59,851 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 214 transitions. [2024-11-22 13:11:59,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-22 13:11:59,852 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 214 transitions. [2024-11-22 13:11:59,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-22 13:11:59,853 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:11:59,853 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:11:59,863 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2024-11-22 13:12:00,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:12:00,054 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:12:00,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:12:00,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1432599241, now seen corresponding path program 1 times [2024-11-22 13:12:00,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 13:12:00,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2002387033] [2024-11-22 13:12:00,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:12:00,055 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:12:00,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 13:12:00,056 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 13:12:00,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-22 13:12:00,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:12:00,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 13:12:00,263 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 13:12:00,349 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-22 13:12:00,350 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 13:12:00,350 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 13:12:00,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2002387033] [2024-11-22 13:12:00,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2002387033] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:12:00,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 13:12:00,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 13:12:00,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356096043] [2024-11-22 13:12:00,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:12:00,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 13:12:00,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 13:12:00,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 13:12:00,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 13:12:00,352 INFO L87 Difference]: Start difference. First operand 152 states and 214 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-22 13:12:06,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 13:12:08,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 13:12:09,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 13:12:14,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 13:12:15,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:12:15,353 INFO L93 Difference]: Finished difference Result 338 states and 472 transitions. [2024-11-22 13:12:15,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 13:12:15,353 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 151 [2024-11-22 13:12:15,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:12:15,354 INFO L225 Difference]: With dead ends: 338 [2024-11-22 13:12:15,354 INFO L226 Difference]: Without dead ends: 189 [2024-11-22 13:12:15,355 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-22 13:12:15,355 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 37 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2024-11-22 13:12:15,356 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 525 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 209 Invalid, 1 Unknown, 0 Unchecked, 15.0s Time] [2024-11-22 13:12:15,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2024-11-22 13:12:15,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 159. [2024-11-22 13:12:15,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 139 states have (on average 1.3381294964028776) internal successors, (186), 139 states have internal predecessors, (186), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-22 13:12:15,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 222 transitions. [2024-11-22 13:12:15,362 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 222 transitions. Word has length 151 [2024-11-22 13:12:15,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:12:15,363 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 222 transitions. [2024-11-22 13:12:15,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-22 13:12:15,363 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 222 transitions. [2024-11-22 13:12:15,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-22 13:12:15,364 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:12:15,364 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:12:15,374 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2024-11-22 13:12:15,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:12:15,565 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:12:15,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:12:15,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1303395988, now seen corresponding path program 1 times [2024-11-22 13:12:15,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 13:12:15,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [865528785] [2024-11-22 13:12:15,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:12:15,566 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:12:15,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 13:12:15,567 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 13:12:15,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-22 13:12:16,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:12:16,072 INFO L255 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 13:12:16,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 13:12:16,332 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 13:12:16,333 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2024-11-22 13:12:16,427 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2024-11-22 13:12:16,427 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 13:12:16,427 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 13:12:16,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [865528785] [2024-11-22 13:12:16,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [865528785] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:12:16,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 13:12:16,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 13:12:16,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559177488] [2024-11-22 13:12:16,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:12:16,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 13:12:16,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 13:12:16,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 13:12:16,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 13:12:16,429 INFO L87 Difference]: Start difference. First operand 159 states and 222 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 13:12:20,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 13:12:25,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 13:12:26,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:12:26,286 INFO L93 Difference]: Finished difference Result 316 states and 442 transitions. [2024-11-22 13:12:26,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 13:12:26,287 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 151 [2024-11-22 13:12:26,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:12:26,288 INFO L225 Difference]: With dead ends: 316 [2024-11-22 13:12:26,288 INFO L226 Difference]: Without dead ends: 160 [2024-11-22 13:12:26,288 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-22 13:12:26,289 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 149 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2024-11-22 13:12:26,289 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 474 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time] [2024-11-22 13:12:26,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-11-22 13:12:26,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 159. [2024-11-22 13:12:26,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 139 states have (on average 1.330935251798561) internal successors, (185), 139 states have internal predecessors, (185), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-22 13:12:26,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 221 transitions. [2024-11-22 13:12:26,295 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 221 transitions. Word has length 151 [2024-11-22 13:12:26,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:12:26,295 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 221 transitions. [2024-11-22 13:12:26,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 13:12:26,295 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 221 transitions. [2024-11-22 13:12:26,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-22 13:12:26,296 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:12:26,296 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:12:26,319 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-22 13:12:26,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:12:26,497 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:12:26,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:12:26,498 INFO L85 PathProgramCache]: Analyzing trace with hash 953047770, now seen corresponding path program 1 times [2024-11-22 13:12:26,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 13:12:26,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [859624608] [2024-11-22 13:12:26,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:12:26,498 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:12:26,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 13:12:26,499 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 13:12:26,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-22 13:12:27,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:12:27,041 INFO L255 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 13:12:27,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 13:12:27,333 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 13:12:27,333 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 175 treesize of output 67 [2024-11-22 13:12:27,384 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 224 proven. 0 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-22 13:12:27,384 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 13:12:27,384 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 13:12:27,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [859624608] [2024-11-22 13:12:27,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [859624608] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:12:27,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 13:12:27,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 13:12:27,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109608121] [2024-11-22 13:12:27,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:12:27,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 13:12:27,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 13:12:27,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 13:12:27,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 13:12:27,387 INFO L87 Difference]: Start difference. First operand 159 states and 221 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 13:12:32,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 13:12:38,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 13:12:39,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:12:39,869 INFO L93 Difference]: Finished difference Result 316 states and 440 transitions. [2024-11-22 13:12:39,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 13:12:39,870 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 153 [2024-11-22 13:12:39,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:12:39,871 INFO L225 Difference]: With dead ends: 316 [2024-11-22 13:12:39,871 INFO L226 Difference]: Without dead ends: 160 [2024-11-22 13:12:39,871 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-22 13:12:39,872 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 140 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2024-11-22 13:12:39,872 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 470 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 194 Invalid, 2 Unknown, 0 Unchecked, 12.4s Time] [2024-11-22 13:12:39,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-11-22 13:12:39,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 159. [2024-11-22 13:12:39,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 139 states have (on average 1.3237410071942446) internal successors, (184), 139 states have internal predecessors, (184), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-22 13:12:39,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 220 transitions. [2024-11-22 13:12:39,877 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 220 transitions. Word has length 153 [2024-11-22 13:12:39,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:12:39,878 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 220 transitions. [2024-11-22 13:12:39,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 13:12:39,878 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 220 transitions. [2024-11-22 13:12:39,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-22 13:12:39,878 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:12:39,879 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:12:39,899 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2024-11-22 13:12:40,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:12:40,083 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:12:40,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:12:40,083 INFO L85 PathProgramCache]: Analyzing trace with hash 634061524, now seen corresponding path program 1 times [2024-11-22 13:12:40,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 13:12:40,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [674837114] [2024-11-22 13:12:40,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:12:40,084 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:12:40,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 13:12:40,086 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 13:12:40,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-22 13:12:40,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:12:40,608 INFO L255 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 13:12:40,611 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 13:12:40,848 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 13:12:40,848 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2024-11-22 13:12:40,880 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2024-11-22 13:12:40,880 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 13:12:40,880 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 13:12:40,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [674837114] [2024-11-22 13:12:40,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [674837114] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:12:40,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 13:12:40,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 13:12:40,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476878143] [2024-11-22 13:12:40,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:12:40,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 13:12:40,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 13:12:40,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 13:12:40,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 13:12:40,882 INFO L87 Difference]: Start difference. First operand 159 states and 220 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 13:12:41,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 13:12:46,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 13:12:48,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 13:12:54,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 13:12:54,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:12:54,759 INFO L93 Difference]: Finished difference Result 316 states and 438 transitions. [2024-11-22 13:12:54,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 13:12:54,760 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 155 [2024-11-22 13:12:54,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:12:54,761 INFO L225 Difference]: With dead ends: 316 [2024-11-22 13:12:54,761 INFO L226 Difference]: Without dead ends: 160 [2024-11-22 13:12:54,761 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-22 13:12:54,762 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 130 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2024-11-22 13:12:54,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 464 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 197 Invalid, 1 Unknown, 0 Unchecked, 13.8s Time] [2024-11-22 13:12:54,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-11-22 13:12:54,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 159. [2024-11-22 13:12:54,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 139 states have (on average 1.316546762589928) internal successors, (183), 139 states have internal predecessors, (183), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-22 13:12:54,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 219 transitions. [2024-11-22 13:12:54,772 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 219 transitions. Word has length 155 [2024-11-22 13:12:54,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:12:54,773 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 219 transitions. [2024-11-22 13:12:54,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 13:12:54,773 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 219 transitions. [2024-11-22 13:12:54,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-22 13:12:54,773 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:12:54,774 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:12:54,796 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2024-11-22 13:12:54,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:12:54,974 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:12:54,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:12:54,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1856536858, now seen corresponding path program 1 times [2024-11-22 13:12:54,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 13:12:54,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [113506157] [2024-11-22 13:12:54,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:12:54,976 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:12:54,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 13:12:54,977 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 13:12:54,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process